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+/*-
+ * Copyright (c) 2007 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <machine/asm.h>
+
+ .text
+
+/*
+ * uint64_t atomic_cas_64(volatile uint64_t *p, uint64_t cmp, uint64_t v)
+ */
+ENTRY(atomic_cas_64, 3)
+ mov ar.ccv = r33
+ ;;
+ cmpxchg8.acq r8 = [r32], r34, ar.ccv
+ ;;
+ br.ret.sptk rp
+END(atomic_cas_64)
+
+/*
+ * uint64_t atomic_add_64_nv(volatile uint64_t *p, uint64_t v)
+ */
+ENTRY(atomic_add_64_nv, 2)
+1:
+ ld8 r16 = [r32]
+ ;;
+ mov ar.ccv = r16
+ add r8 = r16, r33
+ ;;
+ cmpxchg8.acq r17 = [r32], r8, ar.ccv
+ ;;
+ cmp.eq p6, p7 = r16, r17
+(p6) br.ret.sptk rp
+(p7) br.cond.spnt 1b
+END(atomic_add_64_nv)
+
+/*
+ * uint8_t atomic_or_8_nv(volatile uint8_t *p, uint8_t v)
+ */
+ENTRY(atomic_or_8_nv, 2)
+1:
+ ld8 r16 = [r32]
+ ;;
+ mov ar.ccv = r16
+ or r8 = r16, r33
+ ;;
+ cmpxchg1.acq r17 = [r32], r8, ar.ccv
+ ;;
+ cmp.eq p6, p7 = r16, r17
+(p6) br.ret.sptk rp
+(p7) br.cond.spnt 1b
+END(atomic_or_8_nv)
+
+ENTRY(membar_producer, 0)
+ mf.a
+ ;;
+ br.ret.sptk rp
+END(membar_producer)
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